We know he has a superb voice but in our latest YouTube World View interview, John Legend shows he also has serious heart as he talks about his major passion — education for all.

In this 30-minute interview, YouTube partner Josh Sundquist asks your top-voted, and pretty difficult, questions, including those about whether charter schools really work, how to recruit college grads into teaching positions rather than corporate gigs and how to balance the importance of work and school in lower-income families. Watch the full interview here: